MLA
Richardson's Almanac, 1862 : Being the Second after Bissextile or Leap Year, the Eighty-Sixth of American Independence, and the First of the Southern Confederacy. Published and for sale by J.W. Randolph, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/197xksn3c6-cor.
APA, 6th edition
Richardson's almanac, 1862 : being the second after bissextile or leap year, the eighty-sixth of American independence, and the first of the Southern Confederacy. (1861). [Almanacs, Southern imprint]. Published and for sale by J.W. Randolph; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/197xksn3c6-cor.
Chicago
“Richardson's Almanac, 1862 : Being the Second after Bissextile or Leap Year, the Eighty-Sixth of American Independence, and the First of the Southern Confederacy.” Almanacs, Southern imprint. Civil War Imprints. Richmond, Va.: Published and for sale by J.W. Randolph, 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/197xksn3c6-cor.